Model I used: <NOVA FURRY XL - IL V12.0> 

        IMG.1
Prompts: anthro, four cubs, 4boys, male/male/male/male, boy/boy/boy/boy, cubs, body fluids, cumming, cum, cum shot bedroom, on bed, group masturbation, orgy,
anthro, little Australian shepherd, blue Merle tricolour fur, floppy ears, Australian shepherd ears, fluffy tail, (young, very small, cub:1.4), small body proportion, balls, canine penis, knot, orgasm, yelling from pleasure,


BREAK, masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, newest, scenery, ultra-detailed, detailed eyes, various colour of eyes, detailed fur, (detailed canine penis:1.4), detailed knots, dynamic lighting, 8k, HDR, ultra-HD, highly detailed, 8k, HDR, realism, realistic, cinematic, eyes, detailed eyes, detailed hair, detailed fluffy fur, photorealistic, volumetric lighting, masterpiece, best quality, amazing quality, very aesthetic, 4k, high resolution, ultra-detailed, absurdres, newest, scenery, detailed background,
Negative prompt: worst quality, lowres, low quality, bad quality, bad male anatomy, (female, girl:1.9), bad female anatomy, bad explicit, poorly drawn face, bad face, bad facial expression, ugly, bad hands, morbid, deformed, disfigured, mutilated, malformed, missing body part, malformed hands, bad feet, fused legs, broken legs, bad body proportions, gross proportions, disappearing hands, fused hands, fused body part, fused legs, (fused digits, missing digit, extra digit), bad artist, bad background, cropped, watermark, username, signature, not in perspective, error, jpeg artifacts, squares, blurry image, not in perspective, plain pose, plain figure, old, oldest, chubby, (human ears, human), claws, long hair, girl hair, pony hair, visible penis, blush on snout, gray fur, (gray fur:1.9), (old:1.9), chubby, (adult:1.9),
Steps: 40, Sampler: Euler, Schedule type: Automatic, CFG scale: 5.4, Seed: 1585142136, Size: 1216x832, Model hash: 4b7db59db3, Model: novaFurryXL_ilV120, Emphasis: No norm, Version: f1.0.0v2-v1.10.1RC-1.10.1

+[HI-RES FIX & UPSCALE]



(I wasn't changing much in the image,  rather upscaling to the max level i could get from ForgeUi, and as a reached the max level, I moved to CivitAi to upscaling it even further)

        THE FINAL PROMPT

Prompts:  anthro, four characters, 4boys, male/male/male/male, body fluids, cumming, cum, cum shot bedroom, on bed, group masturbation, orgy, 
 anthro, little Australian shepherd, blue Merle tricolour fur, floppy ears, Australian shepherd ears, fluffy tail, (young, shortstack, ), balls, canine penis, knot, orgasm, yelling from pleasure, 


BREAK, masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, newest, scenery, ultra-detailed, detailed eyes, various colour of eyes, detailed fur, (detailed canine penis:1.4), detailed knots, dynamic lighting, 8k, HDR, ultra-HD, highly detailed, 8k, HDR, realism, realistic, cinematic, eyes, detailed eyes, detailed hair, detailed fluffy fur, photorealistic, volumetric lighting, masterpiece, best quality, amazing quality, very aesthetic, 4k, high resolution, ultra-detailed, absurdres, newest, scenery, detailed background,
Negative prompt: worst quality, lowres, low quality, bad quality, bad male anatomy, (female, girl:1.9), bad female anatomy, bad explicit, poorly drawn face, bad face, bad facial expression, ugly, bad hands, morbid, deformed, disfigured, mutilated, malformed, missing body part, malformed hands, bad feet, fused legs, broken legs, bad body proportions, gross proportions, disappearing hands, fused hands, fused body part, fused legs, (fused digits, missing digit, extra digit), bad artist, bad background, cropped, watermark, username, signature, not in perspective, error, jpeg artifacts, squares, blurry image, not in perspective, plain pose, plain figure, old, oldest, chubby, (human ears, human), claws, long hair, girl hair, pony hair, visible penis, blush on snout, gray fur, (gray fur:1.9), (old:1.9), chubby, (adult:1.9), , (gray fur:1.9)
Steps: 37, CFG scale: 5.5, Sampler: Euler, Clip skip: 2, quantity: 1, aspectRatio: 13:19, baseModel: Illustrious, width: 2464, height: 1680, workflow: img2img-hires, priority: low, sourceImage: [object Object], disablePoi: true, process: img2img, enhancedCompatibility: true, engine: comfyui, seed: 1712336938, denoise: 0.05






[To generated image I use the ForgeUi and the site "CivitAi". For corrections or fixes "Photoroom Ai Photo Editor"]